mirror of https://git.sr.ht/~rabbits/uxn
Compare commits
2 Commits
c5a5eaff0e
...
c9f2eb0aad
Author | SHA1 | Date |
---|---|---|
Devine Lu Linvega | c9f2eb0aad | |
Devine Lu Linvega | 18f545f3c9 |
10
src/uxnasm.c
10
src/uxnasm.c
|
@ -19,12 +19,12 @@ typedef signed char Sint8;
|
|||
typedef unsigned short Uint16;
|
||||
|
||||
typedef struct {
|
||||
char name[0x40], items[0x40][0x40];
|
||||
char *name, items[0x40][0x40];
|
||||
Uint8 len;
|
||||
} Macro;
|
||||
|
||||
typedef struct {
|
||||
char name[0x40];
|
||||
char *name;
|
||||
Uint16 addr, refs;
|
||||
} Label;
|
||||
|
||||
|
@ -44,6 +44,7 @@ typedef struct {
|
|||
} Program;
|
||||
|
||||
char source[0x40], token[0x40], scope[0x40], sublabel[0x40], lambda[0x05];
|
||||
char dict[0x10000], *storenext = dict;
|
||||
|
||||
Program p;
|
||||
|
||||
|
@ -65,6 +66,7 @@ static int scmp(char *a, char *b, int len) { int i = 0; while(a[i] == b[i]) if
|
|||
static int slen(char *s) { int i = 0; while(s[i]) i++; return i; } /* str length */
|
||||
static char *scpy(char *src, char *dst, int len) { int i = 0; while((dst[i] = src[i]) && i < len - 2) i++; dst[i + 1] = '\0'; return dst; } /* str copy */
|
||||
static char *scat(char *dst, char *src) { char *ptr = dst + slen(dst); while(*src) *ptr++ = *src++; *ptr = '\0'; return dst; } /* str cat */
|
||||
static char *push(char *s) { char *ptr = storenext; while((*storenext++ = *s++)); *storenext++ = 0; return ptr; } /* save str */
|
||||
|
||||
#define isopcode(x) (findopcode(x) || scmp(x, "BRK", 4))
|
||||
#define writeshort(x) (writebyte(x >> 8) && writebyte(x & 0xff))
|
||||
|
@ -150,7 +152,7 @@ makemacro(char *name, FILE *f)
|
|||
if(isopcode(name)) return error_asm("Macro is opcode");
|
||||
if(p.macro_len == 0x100) return error_asm("Macros limit exceeded");
|
||||
m = &p.macros[p.macro_len++];
|
||||
scpy(name, m->name, 0x40);
|
||||
m->name = push(name);
|
||||
while(fscanf(f, "%63s", word) == 1) {
|
||||
if(word[0] == '{') continue;
|
||||
if(word[0] == '}') break;
|
||||
|
@ -180,7 +182,7 @@ makelabel(char *name, int setscope)
|
|||
l = &p.labels[p.label_len++];
|
||||
l->addr = p.ptr;
|
||||
l->refs = 0;
|
||||
scpy(name, l->name, 0x40);
|
||||
l->name = push(name);
|
||||
if(setscope) {
|
||||
int i = 0;
|
||||
while(name[i] != '/' && i < 0x3e && (scope[i] = name[i])) i++;
|
||||
|
|
Loading…
Reference in New Issue